poke_53 Posted December 2, 2007 Share Posted December 2, 2007 I have a 2007 Si and I have been unable to find any computer upgrades or controllers that are available. I dont want to get internal to the engine, I just want a little more out of it. Any help would be greatly appreciated. Thanks Link to comment Share on other sites More sharing options...
Hatch92 Posted December 2, 2007 Share Posted December 2, 2007 there us no reason to tune a factory motor if you have not parts on it at all. your better off buying an intake, header, and exhaust. It's cheaper and will make more power than tuning a factory motor. Link to comment Share on other sites More sharing options...
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